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P0703 Mazda Code - Brake Switch 1 Circuit Malfunction

- Code Popularity: 22,975 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0703 Mazda?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch)
  • Misadjusted Brake Pedal Position Switch
  • Brake Pedal Position Switch harness is open or shorted
  • Brake Pedal Position Switch circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
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How to Fix the DTC P0703 Mazda?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Check if the stop light works with when the brake pedal is depressed if the brake lights are inoperative, replace or adjust the Brake Pedal Position (BPP) Switch (Stop Lamp Switch).

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0703 Mazda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Brake lights inoperative

Code P0703 Mazda Description

The Brake Pedal Position (BPP) switch is sometimes referred to as the stop lamp switch. The BPP switch provides a signal to the Engine Control Module (ECM) indicating the brakes are applied. The BPP switch is normally open and mounted on the brake pedal support. The Engine Control Module monitors the BPP switch. The Diagnostic Trouble Code (DTC) will set when the Engine Control Module did not receive a BPP switch input.

OBDII Code P0703 Mazda - Brake Switch 1 Circuit Malfunction - AutoCodes.com
P0703 Mazda Code - Brake Switch 1 Circuit Malfunction

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Code P0703 Mazda comments

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